Home / 194,828.88-292,189.70-66,743.28

Finding the Fourth Proportional to 194,828.88, 292,189.70 and 66,743.28

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Solution

The fourth proportional to 194,828.88, 292,189.70 and 66,743.28 is: 100,096.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,828.88 : 292,189.70 = 66,743.28 : x
  2. Step 2: Convert to fraction form
    194,828.88/292,189.70 = 66,743.28/x
  3. Step 3: Cross multiply
    194,828.88x = 292,189.70 × 66,743.28
  4. Step 4: Simplify right side
    194,828.88x = 19,501,698,626.50
  5. Step 5: Solve for x
    x = 19,501,698,626.50/194,828.88
  6. Step 6: Final answer
    x = 100,096.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.